U.S. Army Corps of Engineers, U.S. Coast Guard, Barge Industry and Shipping Industry Representatives Hold Press Conference to Address Ongoing Mississippi River Navigation Concerns Due to Continued Drought and Low Water Conditions. Representatives of the barge and shipping industries, along with the U.S. Army Corps of Engineers and U.S. Coast Guard, held a press conference on the Mississippi River near St. Louis to address navigation and shipping concerns, as well as government-industry cooperation in managing the Mississippi River during continued drought and low water conditions.